mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
5b1a3173f8
North Star Floppy disks use 10-sector hard sectored disks with either FM or MFM encoding. They may be single- or double-sided. Each of the 10 sectors contains 256 (FM) or 512 (MFM) bytes of data. The disk has 35 cylinders, with tracks 0-34 on side 0, and tracks 35-69 on side 1. Tracks on side 1 are numbered "backwards" in that track 35 corresponds to cylinder 34, side 1, and track 69 corresponds to cylinder 0, side 1. The North Star sector format does not include any head positioning information. As such, reads from North Star floppies need to be synchronized with the index pulse, in order to properly identify the sector being read. While there is a command line option: --sync-with-index, that does this, the North Star reader forces this behavior by default. MFM sectors have 32 bytes of 00's followed by two sync characters, specified in the North Star MDS manual as 0xFBFB. This is true for most disks; however, I found a few disks, including an original North Star DOS/BASIC v2.2.1 DQ disk, that uses 0xFBnn, where nn is an incrementing pattern. While searching for the start of a sector header, seekToPattern() ignores the sector pulses. If a sector header cannot be decoded for any reason, seekToPattern() will advance past one or more sector pulses. For this reason, the _hardSectorId is calulated after the sector header is found. Due to the nature of the track ordering on side 1, an .nsi image reader and writer are provided for double-sided disks. The .nsi image format supports both single- and double-sided disks; however, single-sided .nsi images are equivalent to .img images.
309 lines
6.7 KiB
Bash
309 lines
6.7 KiB
Bash
#!/bin/sh
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set -e
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cat <<EOF
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rule cxx
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command = $CXX $CFLAGS \$flags -I. -c -o \$out \$in -MMD -MF \$out.d
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description = CXX \$in
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depfile = \$out.d
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deps = gcc
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rule library
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command = $AR \$out \$in
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description = AR \$in
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rule link
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command = $CXX $LDFLAGS -o \$out \$in \$flags $LIBS
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description = LINK \$in
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rule test
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command = \$in && touch \$out
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description = TEST \$in
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rule strip
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command = cp -f \$in \$out && $STRIP \$out
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description = STRIP \$in
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EOF
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buildlibrary() {
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local lib
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lib=$1
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shift
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local flags
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flags=
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while true; do
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case $1 in
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-*)
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flags="$flags $1"
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shift
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;;
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*)
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break
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esac
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done
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local oobjs
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local dobjs
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oobjs=
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dobjs=
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for src in "$@"; do
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local obj
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obj="$OBJDIR/opt/${src%%.c*}.o"
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oobjs="$oobjs $obj"
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echo build $obj : cxx $src
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echo " flags=$flags $COPTFLAGS"
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obj="$OBJDIR/dbg/${src%%.c*}.o"
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dobjs="$dobjs $obj"
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echo build $obj : cxx $src
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echo " flags=$flags $CDBGFLAGS"
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done
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echo build $OBJDIR/opt/$lib : library $oobjs
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echo build $OBJDIR/dbg/$lib : library $dobjs
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}
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buildprogram() {
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local prog
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prog=$1
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shift
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local flags
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flags=
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while true; do
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case $1 in
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-*)
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flags="$flags $1"
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shift
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;;
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*)
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break
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esac
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done
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local oobjs
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local dobjs
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oobjs=
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dobjs=
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for src in "$@"; do
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oobjs="$oobjs $OBJDIR/opt/$src"
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dobjs="$dobjs $OBJDIR/dbg/$src"
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done
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echo build $prog-debug$EXTENSION : link $dobjs
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echo " flags=$flags $LDDBGFLAGS"
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echo build $prog$EXTENSION : link $oobjs
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echo " flags=$flags $LDOPTFLAGS"
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}
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buildsimpleprogram() {
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local prog
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prog=$1
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shift
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local flags
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flags=
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while true; do
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case $1 in
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-*)
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flags="$flags $1"
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shift
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;;
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*)
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break
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esac
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done
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local src
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src=$1
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shift
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buildlibrary lib$prog.a $flags $src
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buildprogram $prog lib$prog.a "$@"
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}
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runtest() {
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local prog
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prog=$1
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shift
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buildlibrary lib$prog.a \
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"$@"
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buildprogram $OBJDIR/$prog \
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lib$prog.a \
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libbackend.a \
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libagg.a \
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libfmt.a
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echo build $OBJDIR/$prog.stamp : test $OBJDIR/$prog-debug$EXTENSION
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}
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buildlibrary libagg.a \
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-Idep/agg/include \
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dep/stb/stb_image_write.c \
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dep/agg/src/*.cpp
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buildlibrary libfmt.a \
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dep/fmt/format.cc \
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dep/fmt/posix.cc \
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buildlibrary libbackend.a \
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lib/imagereader/diskcopyimagereader.cc \
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lib/imagereader/imagereader.cc \
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lib/imagereader/imgimagereader.cc \
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lib/imagereader/jv3imagereader.cc \
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lib/imagereader/imdimagereader.cc \
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lib/imagereader/nsiimagereader.cc \
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lib/imagewriter/d64imagewriter.cc \
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lib/imagewriter/diskcopyimagewriter.cc \
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lib/imagewriter/imagewriter.cc \
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lib/imagewriter/imgimagewriter.cc \
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lib/imagewriter/ldbsimagewriter.cc \
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lib/imagewriter/nsiimagewriter.cc \
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arch/aeslanier/decoder.cc \
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arch/amiga/decoder.cc \
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arch/amiga/encoder.cc \
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arch/amiga/amiga.cc \
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arch/apple2/decoder.cc \
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arch/brother/decoder.cc \
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arch/brother/encoder.cc \
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arch/c64/decoder.cc \
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arch/f85/decoder.cc \
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arch/fb100/decoder.cc \
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arch/ibm/decoder.cc \
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arch/ibm/encoder.cc \
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arch/macintosh/decoder.cc \
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arch/macintosh/encoder.cc \
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arch/micropolis/decoder.cc \
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arch/mx/decoder.cc \
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arch/tids990/decoder.cc \
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arch/tids990/encoder.cc \
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arch/northstar/decoder.cc \
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arch/northstar/encoder.cc \
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arch/victor9k/decoder.cc \
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arch/zilogmcz/decoder.cc \
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lib/bytes.cc \
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lib/crc.cc \
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lib/dataspec.cc \
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lib/decoders/decoders.cc \
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lib/decoders/fluxmapreader.cc \
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lib/decoders/fmmfm.cc \
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lib/encoders/encoders.cc \
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lib/flaggroups/fluxsourcesink.cc \
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lib/flags.cc \
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lib/fluxmap.cc \
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lib/fluxsink/fluxsink.cc \
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lib/fluxsink/hardwarefluxsink.cc \
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lib/fluxsink/sqlitefluxsink.cc \
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lib/fluxsource/fluxsource.cc \
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lib/fluxsource/hardwarefluxsource.cc \
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lib/fluxsource/kryoflux.cc \
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lib/fluxsource/sqlitefluxsource.cc \
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lib/fluxsource/streamfluxsource.cc \
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lib/usb/usb.cc \
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lib/usb/fluxengineusb.cc \
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lib/usb/greaseweazle.cc \
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lib/usb/greaseweazleusb.cc \
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lib/globals.cc \
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lib/hexdump.cc \
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lib/ldbs.cc \
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lib/reader.cc \
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lib/sector.cc \
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lib/sectorset.cc \
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lib/sql.cc \
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lib/utils.cc \
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lib/writer.cc \
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lib/csvreader.cc \
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buildlibrary libfrontend.a \
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src/fe-analysedriveresponse.cc \
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src/fe-analyselayout.cc \
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src/fe-cwftoflux.cc \
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src/fe-erase.cc \
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src/fe-fluxtoau.cc \
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src/fe-fluxtoscp.cc \
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src/fe-fluxtovcd.cc \
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src/fe-image.cc \
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src/fe-inspect.cc \
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src/fe-readadfs.cc \
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src/fe-readaeslanier.cc \
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src/fe-readamiga.cc \
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src/fe-readampro.cc \
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src/fe-readapple2.cc \
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src/fe-readatarist.cc \
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src/fe-readbrother.cc \
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src/fe-readc64.cc \
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src/fe-readdfs.cc \
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src/fe-readf85.cc \
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src/fe-readfb100.cc \
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src/fe-readibm.cc \
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src/fe-readmac.cc \
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src/fe-readmicropolis.cc \
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src/fe-readmx.cc \
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src/fe-readtids990.cc \
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src/fe-readnorthstar.cc \
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src/fe-readvictor9k.cc \
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src/fe-readzilogmcz.cc \
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src/fe-rpm.cc \
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src/fe-scptoflux.cc \
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src/fe-seek.cc \
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src/fe-testbandwidth.cc \
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src/fe-testvoltages.cc \
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src/fe-upgradefluxfile.cc \
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src/fe-writeamiga.cc \
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src/fe-writebrother.cc \
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src/fe-writeibm.cc \
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src/fe-writemac.cc \
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src/fe-writenorthstar.cc \
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src/fe-writetids990.cc \
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src/fe-writeflux.cc \
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src/fe-writetestpattern.cc \
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src/fluxengine.cc \
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buildprogram fluxengine \
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libfrontend.a \
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libbackend.a \
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libfmt.a \
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libagg.a \
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buildlibrary libemu.a \
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dep/emu/fnmatch.c
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buildsimpleprogram brother120tool \
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-Idep/emu \
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tools/brother120tool.cc \
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libbackend.a \
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libemu.a \
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libfmt.a \
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buildsimpleprogram brother240tool \
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-Idep/emu \
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tools/brother240tool.cc \
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libbackend.a \
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libemu.a \
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libfmt.a \
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runtest agg-test tests/agg.cc
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runtest amiga-test tests/amiga.cc
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runtest bitaccumulator-test tests/bitaccumulator.cc
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runtest bytes-test tests/bytes.cc
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runtest compression-test tests/compression.cc
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runtest csvreader-test tests/csvreader.cc
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runtest dataspec-test tests/dataspec.cc
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runtest flags-test tests/flags.cc
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runtest fluxpattern-test tests/fluxpattern.cc
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runtest fmmfm-test tests/fmmfm.cc
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runtest greaseweazle-test tests/greaseweazle.cc
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runtest kryoflux-test tests/kryoflux.cc
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runtest ldbs-test tests/ldbs.cc
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